{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "Quantitative evaluation of the steady state kinetics of MEK inhibition by these compounds reveals that U0126 has approximately 100 - fold higher affinity for deltaN3 - S218E / S222D MEK than does PD098059 ."}
{"GENE": ["MEK", "deltaN3 - S218E / S222D MEK"]}